CONTENTS

Recommendation ITU-R P.1409-4
Policy on Intellectual Property Right (IPR)
Annex
 1 Introduction
 2 Propagation prediction methods for frequency sharing and compatibility studies
        2.1 Between high-altitude platform stations and other terrestrial stations
        2.2 Between high-altitude stations and space stations
                  2.2.1 Free-space basic transmission loss
                  2.2.2 Cross-polarization discrimination due to Faraday rotation
                  2.2.3 Scintillation and absorption of radiowaves in the ionosphere
                  2.2.4 Back scatter from the Earth’s surface
        2.3 Between high-altitude stations and stations in atmosphere
 3 The propagation prediction methods for the design of systems using high-altitude stations